YSI renegade passenger kit help

I just bought this kit, it comes with a 3"/8" renegade setup. I have a 331 with AFR185's, ported Trick flow upper, and anderson b41 blower cam. It currently has a novi 1000 on it and ran 10.8's. What kind of boost should i expect with this new kit? Does someone have a similar set up and maybe give me some info? I need to keep it moderate until i get a new shortblock. I got such a bad *** deal on the blower i couldnt pass it up. Brand new in the bubble wrap for $1800. Thanx ahead of time.

As soon as i touch the gas my boost gauge is pegged past 20 with the same pulley setup...

What are your motor specs if ya dont mind me askin?

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It seems most make around 20 psi with autos and those pullies. I made 16 psi with mine through a tko at 6,000.